Mary-Kate Olsen Adds Horseback Riding to Her Resume - See Her Competition Pics!

Mary-Kate Olsen rides her horse while competing in the Hampton Classic Horse Show on Thursday (August 28) in New York City. The 28-year-old fashion designer may possibly have the horse with the coolest name – Swagger! PHOTOS: Check out the latest pics of Mary-Kate Olsen While relaxing on the sidelines, MK showed off her large [...]